Lochinvar & A.O. Smith 100227399 Pressure Switch 320720-756 Engineered to handle a wide

Engineered to handle a wide range of refrigerants

Standard industry practice dictates replacing the internal oil filter during any major HVAC system diagnostic or when oil analysis indicates high acid or metal counts

Can I use a generic 0

Direct Interchangeability: Serves as the official 20197314 replacement for the legacy HAPS27 model

ensuring durability in harsh environments like cooling towers

Lochinvar & A.O. Smith 100227399 Pressure Switch 320720-756 Engineered to handle a wideThe Lochinvar & A. O. Smith 100227399 Pressure Switch is a critical safety component engineered for precise combustion air pressure sensing in high efficiency boilers and water heaters. As a normally closed (N. C.) pressure switch factory set to 2. 12" WC (Water Column), this OEM replacement part ensures the inducer motor is moving sufficient air for safe ignition and sustained burner operation. When troubleshooting a pressure switch stuck closed or